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15N Fractionation in Star-Forming Regions and Solar System ObjectsA central issue for understanding the formation and evolution of matter in the early Solar System is the relationship between the chemical composition of star-forming interstellar clouds and that of primitive Solar System materials. The pristinemolecular content of comets, interplanetary dust particles and carbonaceous chondrites show significant bulk nitrogen isotopic fractionation relative to the solar value, 14N15N 440. In addition, high spatial resolution measurements in primitive materials locally show even more extreme enhancements of 14N15N 100.
Document ID
20150018330
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Wirstrom, Eva (Chalmers Univ. of Technology Goeteborg, Sweden)
Milam, Stefanie (NASA Goddard Space Flight Center Greenbelt, MD United States)
Adande, GIlles (NASA Goddard Space Flight Center Greenbelt, MD United States)
Charnley, Steven (NASA Goddard Space Flight Center Greenbelt, MD United States)
Cordiner, Martin (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
September 24, 2015
Publication Date
August 3, 2015
Subject Category
Space Sciences (General)
Report/Patent Number
GSFC-E-DAA-TN24195
Meeting Information
Meeting: General Assembly of the Astronomical Union
Location: Honolulu, HI
Country: United States
Start Date: August 3, 2015
End Date: August 14, 2015
Sponsors: International Astronomical Union
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
pristine molecular content
Evolution of Matter
Solar System

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